def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.name: opt.name = argv_bytes(opt.name) if opt.verbose is None: opt.verbose = 0 if not (opt.blobs or opt.tree or opt.commit or opt.name or opt.noop or opt.copy): o.fatal("use one or more of -b, -t, -c, -n, --noop, --copy") if opt.copy and (opt.blobs or opt.tree): o.fatal('--copy is incompatible with -b, -t') if (opt.noop or opt.copy) and (opt.commit or opt.name): o.fatal('--noop and --copy are incompatible with -c, -n') if opt.blobs and (opt.tree or opt.commit or opt.name): o.fatal('-b is incompatible with -t, -c, -n') if extra and opt.git_ids: o.fatal("don't provide filenames when using --git-ids") if opt.verbose >= 2: git.verbose = opt.verbose - 1 opt.bench = 1 fanout = None if opt.fanout: # This used to be in hashsplit, but that's just confusing; # hashsplit now defaults to the real default (16) if 0 (or # None) is passed, but keep the command-line compatible... fanout = parse_num(opt.fanout) or 128 blobbits = None if opt.blobbits: blobbits = parse_num(opt.blobbits) if opt.bwlimit: client.bwlimit = parse_num(opt.bwlimit) if opt.date: date = parse_date_or_fatal(opt.date, o.fatal) else: date = time.time() # Hack around lack of nonlocal vars in python 2 total_bytes = [0] def prog(filenum, nbytes): total_bytes[0] += nbytes if filenum > 0: qprogress('Splitting: file #%d, %d kbytes\r' % (filenum + 1, total_bytes[0] // 1024)) else: qprogress('Splitting: %d kbytes\r' % (total_bytes[0] // 1024)) start_time = time.time() if opt.name and not valid_save_name(opt.name): o.fatal("'%r' is not a valid branch name." % opt.name) refname = opt.name and b'refs/heads/%s' % opt.name or None if opt.noop or opt.copy: repo = oldref = None else: repo = from_opts(opt) oldref = refname and repo.read_ref(refname) or None repobits = repo.config(b'bup.blobbits', opttype='int') or hashsplit.BUP_BLOBBITS if not blobbits: blobbits = repobits else: print("overriding repo blobbits %d from cmdline with %d" % (repobits, blobbits)) input = byte_stream(sys.stdin) if opt.git_ids: # the input is actually a series of git object ids that we should retrieve # and split. # # This is a bit messy, but basically it converts from a series of # repo.cat() iterators into a series of file-type objects. # It would be less ugly if either repo.cat() returned a file-like object # (not very efficient), or split_to_shalist() expected an iterator instead # of a file. class IterToFile: def __init__(self, it): self.it = iter(it) def read(self, size): v = next(self.it, None) return v or b'' def read_ids(): while 1: line = input.readline() if not line: break if line: line = line.strip() try: it = repo.cat(line.strip()) next(it, None) # skip the file info except KeyError as e: add_error('error: %s' % e) continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(argv_bytes(fn), 'rb') for fn in extra) or [input] if repo: write_data = repo.write_data write_tree = repo.write_tree elif opt.blobs or opt.tree: # --noop mode write_data = lambda content: git.calc_hash(b'blob', content) write_tree = lambda shalist: git.calc_hash(b'tree', git.tree_encode(shalist)) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.blobs: shalist = hashsplit.split_to_blobs(write_data, files, keep_boundaries=opt.keep_boundaries, progress=prog, blobbits=blobbits) for (sha, size, level) in shalist: out.write(hexlify(sha) + b'\n') reprogress() elif opt.tree or opt.commit or opt.name: if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(write_data, write_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) splitfile_name = git.mangle_name(b'data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( write_data, write_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) tree = write_tree(shalist) else: last = 0 it = hashsplit.hashsplit_iter(files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) for (blob, level) in it: hashsplit.total_split += len(blob) if opt.copy: sys.stdout.write(str(blob)) megs = hashsplit.total_split // 1024 // 1024 if not opt.quiet and last != megs: last = megs if opt.verbose: log('\n') if opt.tree: out.write(hexlify(tree) + b'\n') if opt.commit or opt.name: msg = b'bup split\n\nGenerated by command:\n%r\n' % compat.get_argvb() ref = opt.name and (b'refs/heads/%s' % opt.name) or None userline = b'%s <%s@%s>' % (userfullname(), username(), hostname()) commit = repo.write_commit(tree, oldref, userline, date, None, userline, date, None, msg) if opt.commit: out.write(hexlify(commit) + b'\n') if opt.name and repo: repo.update_ref(refname, commit, oldref) if repo: repo.close() secs = time.time() - start_time size = hashsplit.total_split if opt.bench: log('bup: %.2f kbytes in %.2f secs = %.2f kbytes/sec\n' % (size / 1024, secs, size / 1024 / secs)) if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)
def main(): o = options.Options(optspec) opt, flags, extra = o.parse(sys.argv[1:]) verbosity = opt.verbose if not opt.quiet else -1 git.check_repo_or_die() if not extra: o.fatal('must specify at least one filename to restore') exclude_rxs = parse_rx_excludes(flags, o.fatal) owner_map = {} for map_type in ('user', 'group', 'uid', 'gid'): owner_map[map_type] = parse_owner_mappings(map_type, flags, o.fatal) if opt.outdir: mkdirp(opt.outdir) os.chdir(opt.outdir) repo = RemoteRepo(opt.remote) if opt.remote else LocalRepo() top = os.getcwd() hardlinks = {} for path in extra: if not valid_restore_path(path): add_error("path %r doesn't include a branch and revision" % path) continue try: resolved = vfs.resolve(repo, path, want_meta=True, follow=False) except vfs.IOError as e: add_error(e) continue if len(resolved) == 3 and resolved[2][0] == 'latest': # Follow latest symlink to the actual save try: resolved = vfs.resolve(repo, 'latest', parent=resolved[:-1], want_meta=True) except vfs.IOError as e: add_error(e) continue # Rename it back to 'latest' resolved = tuple(elt if i != 2 else ('latest',) + elt[1:] for i, elt in enumerate(resolved)) path_parent, path_name = os.path.split(path) leaf_name, leaf_item = resolved[-1] if not leaf_item: add_error('error: cannot access %r in %r' % ('/'.join(name for name, item in resolved), path)) continue if not path_name or path_name == '.': # Source is /foo/what/ever/ or /foo/what/ever/. -- extract # what/ever/* to the current directory, and if name == '.' # (i.e. /foo/what/ever/.), then also restore what/ever's # metadata to the current directory. treeish = vfs.item_mode(leaf_item) if not treeish: add_error('%r cannot be restored as a directory' % path) else: items = vfs.contents(repo, leaf_item, want_meta=True) dot, leaf_item = next(items, None) assert(dot == '.') for sub_name, sub_item in items: restore(repo, '', sub_name, sub_item, top, opt.sparse, opt.numeric_ids, owner_map, exclude_rxs, verbosity, hardlinks) if path_name == '.': leaf_item = vfs.augment_item_meta(repo, leaf_item, include_size=True) apply_metadata(leaf_item.meta, '.', opt.numeric_ids, owner_map) else: restore(repo, '', leaf_name, leaf_item, top, opt.sparse, opt.numeric_ids, owner_map, exclude_rxs, verbosity, hardlinks) if verbosity >= 0: progress('Restoring: %d, done.\n' % total_restored) die_if_errors()
def test_invalid_optspec(): with no_lingering_errors(): WVPASS(options.Options(invalid_optspec0).parse([])) WVPASS(options.Options(invalid_optspec1).parse([])) WVPASS(options.Options(invalid_optspec2).parse([]))
def do_ls(args, pwd, default='.', onabort=None, spec_prefix=''): """Output a listing of a file or directory in the bup repository. When a long listing is not requested and stdout is attached to a tty, the output is formatted in columns. When not attached to tty (for example when the output is piped to another command), one file is listed per line. """ if onabort: o = options.Options(optspec % spec_prefix, onabort=onabort) else: o = options.Options(optspec % spec_prefix) (opt, flags, extra) = o.parse(args) # Handle order-sensitive options. classification = None show_hidden = None for flag in flags: (option, parameter) = flag if option in ('-F', '--classify'): classification = 'all' elif option == '--file-type': classification = 'type' elif option in ('-a', '--all'): show_hidden = 'all' elif option in ('-A', '--almost-all'): show_hidden = 'almost' L = [] def output_node_info(node, name): info = node_info(node, name, show_hash = opt.hash, long_fmt = opt.l, classification = classification, numeric_ids = opt.numeric_ids, human_readable = opt.human_readable) if not opt.l and istty1: L.append(info) else: print info ret = 0 for path in (extra or [default]): try: n = pwd.try_resolve(path) if stat.S_ISDIR(n.mode): if show_hidden == 'all': output_node_info(n, '.') # Match non-bup "ls -a ... /". if n.parent: output_node_info(n.parent, '..') else: output_node_info(n, '..') for sub in n: name = sub.name if show_hidden in ('almost', 'all') \ or not len(name)>1 or not name.startswith('.'): output_node_info(sub, name) else: output_node_info(n, path) except vfs.NodeError, e: log('error: %s\n' % e) ret = 1
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if not (opt.modified or \ opt['print'] or \ opt.status or \ opt.update or \ opt.check or \ opt.clear): opt.update = 1 if (opt.fake_valid or opt.fake_invalid) and not opt.update: o.fatal('--fake-{in,}valid are meaningless without -u') if opt.fake_valid and opt.fake_invalid: o.fatal('--fake-valid is incompatible with --fake-invalid') if opt.clear and opt.indexfile: o.fatal('cannot clear an external index (via -f)') # FIXME: remove this once we account for timestamp races, i.e. index; # touch new-file; index. It's possible for this to happen quickly # enough that new-file ends up with the same timestamp as the first # index, and then bup will ignore it. tick_start = time.time() time.sleep(1 - (tick_start - int(tick_start))) git.check_repo_or_die() handle_ctrl_c() if opt.verbose is None: opt.verbose = 0 if opt.indexfile: indexfile = argv_bytes(opt.indexfile) else: indexfile = git.repo(b'bupindex') if opt.check: log('check: starting initial check.\n') with index.Reader(indexfile) as reader: check_index(reader, opt.verbose) if opt.clear: log('clear: clearing index.\n') clear_index(indexfile, opt.verbose) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.update: if not extra: o.fatal('update mode (-u) requested but no paths given') extra = [argv_bytes(x) for x in extra] excluded_paths = parse_excludes(flags, o.fatal) exclude_rxs = parse_rx_excludes(flags, o.fatal) xexcept = index.unique_resolved_paths(extra) for rp, path in index.reduce_paths(extra): update_index(rp, excluded_paths, exclude_rxs, indexfile, check=opt.check, check_device=opt.check_device, xdev=opt.xdev, xdev_exceptions=xexcept, fake_valid=opt.fake_valid, fake_invalid=opt.fake_invalid, out=out, verbose=opt.verbose) if opt['print'] or opt.status or opt.modified: extra = [argv_bytes(x) for x in extra] with index.Reader(indexfile) as reader: for name, ent in reader.filter(extra or [b'']): if (opt.modified and (ent.is_valid() or ent.is_deleted() or not ent.mode)): continue line = b'' if opt.status: if ent.is_deleted(): line += b'D ' elif not ent.is_valid(): if ent.sha == index.EMPTY_SHA: line += b'A ' else: line += b'M ' else: line += b' ' if opt.hash: line += hexlify(ent.sha) + b' ' if opt.long: line += b'%7s %7s ' % (oct(ent.mode).encode('ascii'), oct(ent.gitmode).encode('ascii')) out.write(line + (name or b'./') + b'\n') if opt.check and (opt['print'] or opt.status or opt.modified or opt.update): log('check: starting final check.\n') with index.Reader(indexfile) as reader: check_index(reader, opt.verbose) if saved_errors: log('WARNING: %d errors encountered.\n' % len(saved_errors)) sys.exit(1)
def main(argv): o = options.Options(optspec) opt, flags, roots = o.parse_bytes(argv[1:]) roots = [argv_bytes(x) for x in roots] if not opt.unsafe: o.fatal( 'refusing to run dangerous, experimental command without --unsafe') now = int(time()) if opt.wrt is None else opt.wrt if not isinstance(now, int): o.fatal('--wrt value ' + str(now) + ' is not an integer') period_start = {} for period, extent in (('all', opt.keep_all_for), ('dailies', opt.keep_dailies_for), ('monthlies', opt.keep_monthlies_for), ('yearlies', opt.keep_yearlies_for)): if extent: secs = period_as_secs(extent.encode('ascii')) if not secs: o.fatal('%r is not a valid period' % extent) period_start[period] = now - secs if not period_start: o.fatal('at least one keep argument is required') period_start = defaultdict(lambda: float('inf'), period_start) if opt.verbose: epoch_ymd = strftime('%Y-%m-%d-%H%M%S', localtime(0)) for kind in ['all', 'dailies', 'monthlies', 'yearlies']: period_utc = period_start[kind] if period_utc != float('inf'): if not (period_utc > float('-inf')): log('keeping all ' + kind) else: try: when = strftime('%Y-%m-%d-%H%M%S', localtime(period_utc)) log('keeping ' + kind + ' since ' + when + '\n') except ValueError as ex: if period_utc < 0: log('keeping %s since %d seconds before %s\n' % (kind, abs(period_utc), epoch_ymd)) elif period_utc > 0: log('keeping %s since %d seconds after %s\n' % (kind, period_utc, epoch_ymd)) else: log('keeping %s since %s\n' % (kind, epoch_ymd)) git.check_repo_or_die() # This could be more efficient, but for now just build the whole list # in memory and let bup_rm() do some redundant work. def parse_info(f): author_secs = f.readline().strip() return int(author_secs) sys.stdout.flush() out = byte_stream(sys.stdout) removals = [] for branch, branch_id in branches(roots): die_if_errors() saves = ((utc, unhexlify(oidx)) for ( oidx, utc) in git.rev_list(branch_id, format=b'%at', parse=parse_info)) for keep_save, (utc, id) in classify_saves(saves, period_start): assert (keep_save in (False, True)) # FIXME: base removals on hashes if opt.pretend: out.write((b'+ ' if keep_save else b'- ') + save_name(branch, utc) + b'\n') elif not keep_save: removals.append(save_name(branch, utc)) if not opt.pretend: die_if_errors() with LocalRepo() as repo: bup_rm(repo, removals, compression=opt.compress, verbosity=opt.verbose) if opt.gc: die_if_errors() bup_gc(threshold=opt.gc_threshold, compression=opt.compress, verbosity=opt.verbose) die_if_errors()
def main(argv): target_filename = b'' active_fields = metadata.all_fields o = options.Options(optspec) (opt, flags, remainder) = o.parse_bytes(argv[1:]) atime_resolution = parse_timestamp_arg(o, 'atime', opt.atime_resolution) mtime_resolution = parse_timestamp_arg(o, 'mtime', opt.mtime_resolution) ctime_resolution = parse_timestamp_arg(o, 'ctime', opt.ctime_resolution) treat_include_fields_as_definitive = True for flag, value in flags: if flag == '--exclude-fields': exclude_fields = frozenset(value.split(',')) for f in exclude_fields: if not f in metadata.all_fields: o.fatal(f + ' is not a valid field name') active_fields = active_fields - exclude_fields treat_include_fields_as_definitive = False elif flag == '--include-fields': include_fields = frozenset(value.split(',')) for f in include_fields: if not f in metadata.all_fields: o.fatal(f + ' is not a valid field name') if treat_include_fields_as_definitive: active_fields = include_fields treat_include_fields_as_definitive = False else: active_fields = active_fields | include_fields opt.verbose = opt.verbose or 0 opt.quiet = opt.quiet or 0 metadata.verbose = opt.verbose - opt.quiet sys.stdout.flush() out = byte_stream(sys.stdout) first_path = True for path in remainder: path = argv_bytes(path) try: m = metadata.from_path(path, archive_path = path) except (OSError,IOError) as e: if e.errno == errno.ENOENT: add_error(e) continue else: raise if metadata.verbose >= 0: if not first_path: out.write(b'\n') if atime_resolution != 1: m.atime = (m.atime / atime_resolution) * atime_resolution if mtime_resolution != 1: m.mtime = (m.mtime / mtime_resolution) * mtime_resolution if ctime_resolution != 1: m.ctime = (m.ctime / ctime_resolution) * ctime_resolution out.write(metadata.detailed_bytes(m, active_fields)) out.write(b'\n') first_path = False if saved_errors: log('WARNING: %d errors encountered.\n' % len(saved_errors)) sys.exit(1) else: sys.exit(0)
def main(argv): global opt signal.signal(signal.SIGTERM, handle_sigterm) UnixAddress = namedtuple('UnixAddress', ['path']) InetAddress = namedtuple('InetAddress', ['host', 'port']) o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if len(extra) > 1: o.fatal("at most one argument expected") if len(extra) == 0: address = InetAddress(host='127.0.0.1', port=8080) else: bind_url = extra[0] if bind_url.startswith('unix://'): address = UnixAddress(path=bind_url[len('unix://'):]) else: addr_parts = extra[0].split(':', 1) if len(addr_parts) == 1: host = '127.0.0.1' port = addr_parts[0] else: host, port = addr_parts try: port = int(port) except (TypeError, ValueError) as ex: o.fatal('port must be an integer, not %r' % port) address = InetAddress(host=host, port=port) settings = dict( debug=1, template_path=resource_path(b'web').decode('utf-8'), static_path=resource_path(b'web/static').decode('utf-8'), ) # Disable buffering on stdout, for debug messages try: sys.stdout._line_buffering = True except AttributeError: sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0) repo = from_opts(opt, reverse=False) application = tornado.web.Application([ (r"(?P<path>/.*)", BupRequestHandler, dict(repo=repo)), ], **settings) http_server = HTTPServer(application) io_loop_pending = IOLoop.instance() if isinstance(address, InetAddress): sockets = tornado.netutil.bind_sockets(address.port, address.host) http_server.add_sockets(sockets) print('Serving HTTP on %s:%d...' % sockets[0].getsockname()[0:2]) if opt.browser: browser_addr = 'http://' + address[0] + ':' + str(address[1]) io_loop_pending.add_callback(lambda: webbrowser.open(browser_addr)) elif isinstance(address, UnixAddress): unix_socket = bind_unix_socket(address.path) http_server.add_socket(unix_socket) print('Serving HTTP on filesystem socket %r' % address.path) else: log('error: unexpected address %r', address) sys.exit(1) io_loop = io_loop_pending io_loop.start() if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)
def main(argv): global opt, par2_ok o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) opt.verbose = opt.verbose or 0 par2_setup() if opt.par2_ok: if par2_ok: sys.exit(0) # 'true' in sh else: sys.exit(1) if opt.disable_par2: par2_ok = 0 git.check_repo_or_die() if extra: extra = [argv_bytes(x) for x in extra] else: debug('fsck: No filenames given: checking all packs.\n') extra = glob.glob(git.repo(b'objects/pack/*.pack')) sys.stdout.flush() out = byte_stream(sys.stdout) code = 0 count = 0 outstanding = {} for name in extra: if name.endswith(b'.pack'): base = name[:-5] elif name.endswith(b'.idx'): base = name[:-4] elif name.endswith(b'.par2'): base = name[:-5] elif os.path.exists(name + b'.pack'): base = name else: raise Exception('%r is not a pack file!' % name) (dir, last) = os.path.split(base) par2_exists = os.path.exists(base + b'.par2') if par2_exists and os.stat(base + b'.par2').st_size == 0: par2_exists = 0 sys.stdout.flush( ) # Not sure we still need this, but it'll flush out too debug('fsck: checking %r (%s)\n' % (last, par2_ok and par2_exists and 'par2' or 'git')) if not opt.verbose: progress('fsck (%d/%d)\r' % (count, len(extra))) if not opt.jobs: nc = do_pack(base, last, par2_exists, out) code = code or nc count += 1 else: while len(outstanding) >= opt.jobs: (pid, nc) = os.wait() nc >>= 8 if pid in outstanding: del outstanding[pid] code = code or nc count += 1 pid = os.fork() if pid: # parent outstanding[pid] = 1 else: # child try: sys.exit(do_pack(base, last, par2_exists, out)) except Exception as e: log('exception: %r\n' % e) sys.exit(99) while len(outstanding): (pid, nc) = os.wait() nc >>= 8 if pid in outstanding: del outstanding[pid] code = code or nc count += 1 if not opt.verbose: progress('fsck (%d/%d)\r' % (count, len(extra))) if istty2: debug('fsck done. \n') sys.exit(code)
def main(argv): o = options.Options(optspec, optfunc=getopt.getopt) opt, flags, extra = o.parse_bytes(argv[1:]) if len(extra) < 2: o.fatal('arguments expected') class SigException(Exception): def __init__(self, signum): self.signum = signum Exception.__init__(self, 'signal %d received' % signum) def handler(signum, frame): raise SigException(signum) signal.signal(signal.SIGTERM, handler) signal.signal(signal.SIGINT, handler) sys.stdout.flush() out = byte_stream(sys.stdout) try: sp = None p = None ret = 99 hp = argv_bytes(extra[0]).split(b':') if len(hp) == 1: (hostname, port) = (hp[0], None) else: (hostname, port) = hp argv = [argv_bytes(x) for x in extra[1:]] p = ssh.connect(hostname, port, b'on--server', stderr=PIPE) try: argvs = b'\0'.join([b'bup'] + argv) p.stdin.write(struct.pack('!I', len(argvs)) + argvs) p.stdin.flush() sp = subprocess.Popen([path.exe(), b'server'], stdin=p.stdout, stdout=p.stdin) p.stdin.close() p.stdout.close() # Demultiplex remote client's stderr (back to stdout/stderr). dmc = DemuxConn(p.stderr.fileno(), open(os.devnull, "wb")) for line in iter(dmc.readline, b''): out.write(line) finally: while 1: # if we get a signal while waiting, we have to keep waiting, just # in case our child doesn't die. try: ret = p.wait() if sp: sp.wait() break except SigException as e: log('\nbup on: %s\n' % e) os.kill(p.pid, e.signum) ret = 84 except SigException as e: if ret == 0: ret = 99 log('\nbup on: %s\n' % e) sys.exit(ret)
def opts_from_cmdline(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.indexfile: opt.indexfile = argv_bytes(opt.indexfile) if opt.name: opt.name = argv_bytes(opt.name) if opt.remote: opt.remote = argv_bytes(opt.remote) if opt.strip_path: opt.strip_path = argv_bytes(opt.strip_path) if not (opt.tree or opt.commit or opt.name): o.fatal("use one or more of -t, -c, -n") if not extra: o.fatal("no filenames given") if opt.date: opt.date = parse_date_or_fatal(opt.date, o.fatal) else: opt.date = time.time() opt.progress = (istty2 and not opt.quiet) opt.smaller = parse_num(opt.smaller or 0) if opt.bwlimit: opt.bwlimit = parse_num(opt.bwlimit) if opt.strip and opt.strip_path: o.fatal("--strip is incompatible with --strip-path") opt.sources = [argv_bytes(x) for x in extra] grafts = [] if opt.graft: if opt.strip: o.fatal("--strip is incompatible with --graft") if opt.strip_path: o.fatal("--strip-path is incompatible with --graft") for (option, parameter) in flags: if option == "--graft": parameter = argv_bytes(parameter) splitted_parameter = parameter.split(b'=') if len(splitted_parameter) != 2: o.fatal("a graft point must be of the form old_path=new_path") old_path, new_path = splitted_parameter if not (old_path and new_path): o.fatal("a graft point cannot be empty") grafts.append((resolve_parent(old_path), resolve_parent(new_path))) opt.grafts = grafts opt.is_reverse = environ.get(b'BUP_SERVER_REVERSE') if opt.is_reverse and opt.remote: o.fatal("don't use -r in reverse mode; it's automatic") if opt.name and not valid_save_name(opt.name): o.fatal("'%s' is not a valid branch name" % path_msg(opt.name)) return opt
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) git.check_repo_or_die() global repo sys.stdout.flush() out = byte_stream(sys.stdout) stdin = byte_stream(sys.stdin) repo = LocalRepo() pwd = vfs.resolve(repo, b'/') rv = 0 def inputiter(f): if os.isatty(f.fileno()): while 1: prompt = b'bup %s> ' % (b'/'.join(name for name, item in pwd) or b'/', ) if hasattr(_helpers, 'readline'): try: yield _helpers.readline(prompt) except EOFError: print() # Clear the line for the terminal's next prompt break else: out.write(prompt) out.flush() read_line = f.readline() if not read_line: print('') break yield read_line else: for line in f: yield line if extra: lines = (argv_bytes(arg) for arg in extra) else: if hasattr(_helpers, 'readline'): _helpers.set_completer_word_break_characters(b' \t\n\r/') _helpers.set_attempted_completion_function(attempt_completion) _helpers.set_completion_entry_function(enter_completion) if sys.platform.startswith('darwin'): # MacOS uses a slightly incompatible clone of libreadline _helpers.parse_and_bind(b'bind ^I rl_complete') _helpers.parse_and_bind(b'tab: complete') lines = inputiter(stdin) for line in lines: if not line.strip(): continue words = [word for (wordstart,word) in shquote.quotesplit(line)] cmd = words[0].lower() #log('execute: %r %r\n' % (cmd, parm)) try: if cmd == b'ls': do_ls(repo, pwd, words[1:], out) out.flush() elif cmd == b'cd': np = pwd for parm in words[1:]: res = vfs.resolve(repo, parm, parent=np) _, leaf_item = res[-1] if not leaf_item: raise Exception('%s does not exist' % path_msg(b'/'.join(name for name, item in res))) if not stat.S_ISDIR(vfs.item_mode(leaf_item)): raise Exception('%s is not a directory' % path_msg(parm)) np = res pwd = np elif cmd == b'pwd': if len(pwd) == 1: out.write(b'/') out.write(b'/'.join(name for name, item in pwd) + b'\n') out.flush() elif cmd == b'cat': for parm in words[1:]: res = vfs.resolve(repo, parm, parent=pwd) _, leaf_item = res[-1] if not leaf_item: raise Exception('%s does not exist' % path_msg(b'/'.join(name for name, item in res))) with vfs.fopen(repo, leaf_item) as srcfile: write_to_file(srcfile, out) out.flush() elif cmd == b'get': if len(words) not in [2,3]: rv = 1 raise Exception('Usage: get <filename> [localname]') rname = words[1] (dir,base) = os.path.split(rname) lname = len(words) > 2 and words[2] or base res = vfs.resolve(repo, rname, parent=pwd) _, leaf_item = res[-1] if not leaf_item: raise Exception('%s does not exist' % path_msg(b'/'.join(name for name, item in res))) with vfs.fopen(repo, leaf_item) as srcfile: with open(lname, 'wb') as destfile: log('Saving %s\n' % path_msg(lname)) write_to_file(srcfile, destfile) elif cmd == b'mget': for parm in words[1:]: dir, base = os.path.split(parm) res = vfs.resolve(repo, dir, parent=pwd) _, dir_item = res[-1] if not dir_item: raise Exception('%s does not exist' % path_msg(dir)) for name, item in vfs.contents(repo, dir_item): if name == b'.': continue if fnmatch.fnmatch(name, base): if stat.S_ISLNK(vfs.item_mode(item)): deref = vfs.resolve(repo, name, parent=res) deref_name, deref_item = deref[-1] if not deref_item: raise Exception('%s does not exist' % path_msg('/'.join(name for name, item in deref))) item = deref_item with vfs.fopen(repo, item) as srcfile: with open(name, 'wb') as destfile: log('Saving %s\n' % path_msg(name)) write_to_file(srcfile, destfile) elif cmd == b'help' or cmd == b'?': out.write(b'Commands: ls cd pwd cat get mget help quit\n') out.flush() elif cmd in (b'quit', b'exit', b'bye'): break else: rv = 1 raise Exception('no such command %r' % cmd) except Exception as e: rv = 1 log('error: %s\n' % e) raise sys.exit(rv)
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) r = from_opts(opt) refs = { r[0]: r[1] for r in r.refs() if r[0].startswith(b'refs/tags/') } if opt.delete: # git.delete_ref() doesn't complain if a ref doesn't exist. We # could implement this verification but we'd need to read in the # contents of the tag file and pass the hash, and we already know # about the tag's existance via "tags". tag_name = argv_bytes(opt.delete) refname = b'refs/tags/' + tag_name if not opt.force and refname not in refs: log("error: tag '%s' doesn't exist\n" % path_msg(tag_name)) sys.exit(1) r.delete_ref(b'refs/tags/%s' % tag_name) sys.exit(0) if not extra: for t in refs: sys.stdout.flush() out = byte_stream(sys.stdout) out.write(t[len(b'refs/tags/'):]) out.write(b'\n') sys.exit(0) elif len(extra) != 2: o.fatal('expected commit ref and hash') tag_name, commit = map(argv_bytes, extra[:2]) if not tag_name: o.fatal("tag name must not be empty.") debug1("args: tag name = %s; commit = %s\n" % (path_msg(tag_name), commit.decode('ascii'))) refname = b'refs/tags/' + tag_name if refname in refs and not opt.force: log("bup: error: tag '%s' already exists\n" % path_msg(tag_name)) sys.exit(1) if tag_name.startswith(b'.'): o.fatal("'%s' is not a valid tag name." % path_msg(tag_name)) try: hash = r.rev_parse(commit) except git.GitError as e: log("bup: error: %s" % e) sys.exit(2) if not r.exists(hash): log("bup: error: commit %s not found.\n" % commit.decode('ascii')) sys.exit(2) try: oldval = refs.get(refname, None) r.update_ref(refname, hash, oldval) except git.GitError as e: log("bup: error: could not create tag '%s': %s" % (path_msg(tag_name), e)) sys.exit(3)
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) git.check_repo_or_die() tags = [t for sublist in git.tags().values() for t in sublist] if opt.delete: # git.delete_ref() doesn't complain if a ref doesn't exist. We # could implement this verification but we'd need to read in the # contents of the tag file and pass the hash, and we already know # about the tag's existance via "tags". tag_name = argv_bytes(opt.delete) if not opt.force and tag_name not in tags: log("error: tag '%s' doesn't exist\n" % path_msg(tag_name)) sys.exit(1) tag_file = b'refs/tags/%s' % tag_name git.delete_ref(tag_file) sys.exit(0) if not extra: for t in tags: sys.stdout.flush() out = byte_stream(sys.stdout) out.write(t) out.write(b'\n') sys.exit(0) elif len(extra) != 2: o.fatal('expected commit ref and hash') tag_name, commit = map(argv_bytes, extra[:2]) if not tag_name: o.fatal("tag name must not be empty.") debug1("args: tag name = %s; commit = %s\n" % (path_msg(tag_name), commit.decode('ascii'))) if tag_name in tags and not opt.force: log("bup: error: tag '%s' already exists\n" % path_msg(tag_name)) sys.exit(1) if tag_name.startswith(b'.'): o.fatal("'%s' is not a valid tag name." % path_msg(tag_name)) try: hash = git.rev_parse(commit) except git.GitError as e: log("bup: error: %s" % e) sys.exit(2) if not hash: log("bup: error: commit %s not found.\n" % commit.decode('ascii')) sys.exit(2) pL = git.PackIdxList(git.repo(b'objects/pack')) if not pL.exists(hash): log("bup: error: commit %s not found.\n" % commit.decode('ascii')) sys.exit(2) tag_file = git.repo(b'refs/tags/' + tag_name) try: tag = open(tag_file, 'wb') except OSError as e: log("bup: error: could not create tag '%s': %s" % (path_msg(tag_name), e)) sys.exit(3) with tag as tag: tag.write(hexlify(hash)) tag.write(b'\n')
"""": # -*-python-*- bup_python="$(dirname "$0")/bup-python" || exit $? exec "$bup_python" "$0" ${1+"$@"} """ # end of bup preamble import sys, getopt, socket, subprocess, fcntl from bup import options, path from bup.helpers import * optspec = """ bup daemon [options...] -- [bup-server options...] -- l,listen ip address to listen on, defaults to * p,port port to listen on, defaults to 1982 """ o = options.Options(optspec, optfunc=getopt.getopt) (opt, flags, extra) = o.parse(sys.argv[1:]) host = opt.listen port = opt.port and int(opt.port) or 1982 import socket import sys socks = [] e = None for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE): af, socktype, proto, canonname, sa = res try: s = socket.socket(af, socktype, proto)
def test_invalid_optspec(): WVPASS(options.Options(invalid_optspec0).parse([])) WVPASS(options.Options(invalid_optspec1).parse([])) WVPASS(options.Options(invalid_optspec2).parse([]))
def main(argv): # Hack around lack of nonlocal vars in python 2 _nonlocal = {} o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.indexfile: opt.indexfile = argv_bytes(opt.indexfile) if opt.name: opt.name = argv_bytes(opt.name) if opt.strip_path: opt.strip_path = argv_bytes(opt.strip_path) if not (opt.tree or opt.commit or opt.name): o.fatal("use one or more of -t, -c, -n") if not extra: o.fatal("no filenames given") extra = [argv_bytes(x) for x in extra] opt.progress = (istty2 and not opt.quiet) opt.smaller = parse_num(opt.smaller or 0) if opt.bwlimit: client.bwlimit = parse_num(opt.bwlimit) if opt.date: date = parse_date_or_fatal(opt.date, o.fatal) else: date = time.time() if opt.strip and opt.strip_path: o.fatal("--strip is incompatible with --strip-path") graft_points = [] if opt.graft: if opt.strip: o.fatal("--strip is incompatible with --graft") if opt.strip_path: o.fatal("--strip-path is incompatible with --graft") for (option, parameter) in flags: if option == "--graft": parameter = argv_bytes(parameter) splitted_parameter = parameter.split(b'=') if len(splitted_parameter) != 2: o.fatal( "a graft point must be of the form old_path=new_path") old_path, new_path = splitted_parameter if not (old_path and new_path): o.fatal("a graft point cannot be empty") graft_points.append( (resolve_parent(old_path), resolve_parent(new_path))) name = opt.name if name and not valid_save_name(name): o.fatal("'%s' is not a valid branch name" % path_msg(name)) refname = name and b'refs/heads/%s' % name or None repo = from_opts(opt) blobbits = repo.config(b'bup.blobbits', opttype='int') oldref = refname and repo.read_ref(refname) or None handle_ctrl_c() # Metadata is stored in a file named .bupm in each directory. The # first metadata entry will be the metadata for the current directory. # The remaining entries will be for each of the other directory # elements, in the order they're listed in the index. # # Since the git tree elements are sorted according to # git.shalist_item_sort_key, the metalist items are accumulated as # (sort_key, metadata) tuples, and then sorted when the .bupm file is # created. The sort_key should have been computed using the element's # mangled name and git mode (after hashsplitting), but the code isn't # actually doing that but rather uses the element's real name and mode. # This makes things a bit more difficult when reading it back, see # vfs.ordered_tree_entries(). # Maintain a stack of information representing the current location in # the archive being constructed. stack = Stack(repo) _nonlocal['count'] = 0 _nonlocal['subcount'] = 0 _nonlocal['lastremain'] = None def progress_report(file, n): _nonlocal['subcount'] += n cc = _nonlocal['count'] + _nonlocal['subcount'] pct = total and (cc * 100.0 / total) or 0 now = time.time() elapsed = now - tstart kps = elapsed and int(cc / 1024. / elapsed) kps_frac = 10**int(math.log(kps + 1, 10) - 1) kps = int(kps / kps_frac) * kps_frac if cc: remain = elapsed * 1.0 / cc * (total - cc) else: remain = 0.0 if (_nonlocal['lastremain'] and (remain > _nonlocal['lastremain']) and ((remain - _nonlocal['lastremain']) / _nonlocal['lastremain'] < 0.05)): remain = _nonlocal['lastremain'] else: _nonlocal['lastremain'] = remain hours = int(remain / 60 / 60) mins = int(remain / 60 - hours * 60) secs = int(remain - hours * 60 * 60 - mins * 60) if elapsed < 30: remainstr = '' kpsstr = '' else: kpsstr = '%dk/s' % kps if hours: remainstr = '%dh%dm' % (hours, mins) elif mins: remainstr = '%dm%d' % (mins, secs) else: remainstr = '%ds' % secs qprogress( 'Saving: %.2f%% (%d/%dk, %d/%d files) %s %s\r' % (pct, cc / 1024, total / 1024, fcount, ftotal, remainstr, kpsstr)) indexfile = opt.indexfile or path.index() r = index.Reader(indexfile) try: msr = index.MetaStoreReader(indexfile + b'.meta') except IOError as ex: if ex.errno != EACCES: raise log('error: cannot access %r; have you run bup index?' % path_msg(indexfile)) sys.exit(1) hlink_db = hlinkdb.HLinkDB(indexfile + b'.hlink') def already_saved(ent): return ent.is_valid() and repo.exists(ent.sha) and ent.sha def wantrecurse_pre(ent): return not already_saved(ent) def wantrecurse_during(ent): return not already_saved(ent) or ent.sha_missing() def find_hardlink_target(hlink_db, ent): if hlink_db and not stat.S_ISDIR(ent.mode) and ent.nlink > 1: link_paths = hlink_db.node_paths(ent.dev, ent.ino) if link_paths: return link_paths[0] total = ftotal = 0 if opt.progress: for (transname, ent) in r.filter(extra, wantrecurse=wantrecurse_pre): if not (ftotal % 10024): qprogress('Reading index: %d\r' % ftotal) exists = ent.exists() hashvalid = already_saved(ent) ent.set_sha_missing(not hashvalid) if not opt.smaller or ent.size < opt.smaller: if exists and not hashvalid: total += ent.size ftotal += 1 progress('Reading index: %d, done.\n' % ftotal) # Root collisions occur when strip or graft options map more than one # path to the same directory (paths which originally had separate # parents). When that situation is detected, use empty metadata for # the parent. Otherwise, use the metadata for the common parent. # Collision example: "bup save ... --strip /foo /foo/bar /bar". # FIXME: Add collision tests, or handle collisions some other way. # FIXME: Detect/handle strip/graft name collisions (other than root), # i.e. if '/foo/bar' and '/bar' both map to '/'. first_root = None root_collision = None tstart = time.time() fcount = 0 lastskip_name = None lastdir = b'' for (transname, ent) in r.filter(extra, wantrecurse=wantrecurse_during): (dir, file) = os.path.split(ent.name) exists = (ent.flags & index.IX_EXISTS) hashvalid = already_saved(ent) wasmissing = ent.sha_missing() oldsize = ent.size if opt.verbose: if not exists: status = 'D' elif not hashvalid: if ent.sha == index.EMPTY_SHA: status = 'A' else: status = 'M' else: status = ' ' if opt.verbose >= 2: log('%s %-70s\n' % (status, path_msg(ent.name))) elif not stat.S_ISDIR(ent.mode) and lastdir != dir: if not lastdir.startswith(dir): log('%s %-70s\n' % (status, path_msg(os.path.join(dir, b'')))) lastdir = dir if not opt.progress: progress_report = None fcount += 1 if not exists: continue if opt.smaller and ent.size >= opt.smaller: if exists and not hashvalid: if opt.verbose: log('skipping large file "%s"\n' % path_msg(ent.name)) lastskip_name = ent.name continue assert (dir.startswith(b'/')) if opt.strip: dirp = stripped_path_components(dir, extra) elif opt.strip_path: dirp = stripped_path_components(dir, [opt.strip_path]) elif graft_points: dirp = grafted_path_components(graft_points, dir) else: dirp = path_components(dir) # At this point, dirp contains a representation of the archive # path that looks like [(archive_dir_name, real_fs_path), ...]. # So given "bup save ... --strip /foo/bar /foo/bar/baz", dirp # might look like this at some point: # [('', '/foo/bar'), ('baz', '/foo/bar/baz'), ...]. # This dual representation supports stripping/grafting, where the # archive path may not have a direct correspondence with the # filesystem. The root directory is represented by an initial # component named '', and any component that doesn't have a # corresponding filesystem directory (due to grafting, for # example) will have a real_fs_path of None, i.e. [('', None), # ...]. if first_root == None: first_root = dirp[0] elif first_root != dirp[0]: root_collision = True # If switching to a new sub-tree, finish the current sub-tree. while list(stack.namestack) > [x[0] for x in dirp]: stack, _ = stack.pop() # If switching to a new sub-tree, start a new sub-tree. for path_component in dirp[len(stack):]: dir_name, fs_path = path_component # Not indexed, so just grab the FS metadata or use empty metadata. try: meta = metadata.from_path(fs_path, normalized=True) \ if fs_path else metadata.Metadata() except (OSError, IOError) as e: add_error(e) lastskip_name = dir_name meta = metadata.Metadata() stack = stack.push(dir_name, meta) if not file: if len(stack) == 1: continue # We're at the top level -- keep the current root dir # Since there's no filename, this is a subdir -- finish it. oldtree = hashvalid # may be None stack, newtree = stack.pop(override_tree=oldtree) if not oldtree: if lastskip_name and lastskip_name.startswith(ent.name): ent.invalidate() else: ent.validate(GIT_MODE_TREE, newtree) ent.repack() if exists and wasmissing: _nonlocal['count'] += oldsize continue # it's not a directory if hashvalid: meta = msr.metadata_at(ent.meta_ofs) meta.hardlink_target = find_hardlink_target(hlink_db, ent) # Restore the times that were cleared to 0 in the metastore. (meta.atime, meta.mtime, meta.ctime) = (ent.atime, ent.mtime, ent.ctime) stack.append(file, ent.mode, ent.gitmode, ent.sha, meta) else: id = None hlink = find_hardlink_target(hlink_db, ent) try: meta = metadata.from_path( ent.name, hardlink_target=hlink, normalized=True, after_stat=after_nondir_metadata_stat) except (OSError, IOError) as e: add_error(e) lastskip_name = ent.name continue if stat.S_IFMT(ent.mode) != stat.S_IFMT(meta.mode): # The mode changed since we indexed the file, this is bad. # This can cause two issues: # 1) We e.g. think the file is a regular file, but now it's # something else (a device, socket, FIFO or symlink, etc.) # and _read_ from it when we shouldn't. # 2) We then record it as valid, but don't update the index # metadata, and on a subsequent save it has 'hashvalid' # but is recorded as the file type from the index, when # the content is something else ... # Avoid all of these consistency issues by just skipping such # things - it really ought to not happen anyway. add_error("%s: mode changed since indexing, skipping." % path_msg(ent.name)) lastskip_name = ent.name continue if stat.S_ISREG(ent.mode): try: # If the file changes while we're reading it, then our reading # may stop at some point, but the stat() above may have gotten # a different size already. Recalculate the meta size so that # the repository records the accurate size in the metadata, even # if the other stat() data might be slightly older than the file # content (which we can't fix, this is inherently racy, but we # can prevent the size mismatch.) meta.size = 0 def write_data(data): meta.size += len(data) return repo.write_data(data) before_saving_regular_file(ent.name) with hashsplit.open_noatime(ent.name) as f: (mode, id) = hashsplit.split_to_blob_or_tree( write_data, repo.write_tree, [f], keep_boundaries=False, progress=progress_report, blobbits=blobbits) except (IOError, OSError) as e: add_error('%s: %s' % (ent.name, e)) lastskip_name = ent.name elif stat.S_ISDIR(ent.mode): assert (0) # handled above elif stat.S_ISLNK(ent.mode): mode, id = (GIT_MODE_SYMLINK, repo.write_symlink(meta.symlink_target)) else: # Everything else should be fully described by its # metadata, so just record an empty blob, so the paths # in the tree and .bupm will match up. (mode, id) = (GIT_MODE_FILE, repo.write_data(b'')) if id: ent.validate(mode, id) ent.repack() stack.append(file, ent.mode, ent.gitmode, id, meta) if exists and wasmissing: _nonlocal['count'] += oldsize _nonlocal['subcount'] = 0 if opt.progress: pct = total and _nonlocal['count'] * 100.0 / total or 100 progress( 'Saving: %.2f%% (%d/%dk, %d/%d files), done. \n' % (pct, _nonlocal['count'] / 1024, total / 1024, fcount, ftotal)) # pop all parts above the root folder while not stack.parent.nothing: stack, _ = stack.pop() # Finish the root directory. # When there's a collision, use empty metadata for the root. root_meta = metadata.Metadata() if root_collision else None stack, tree = stack.pop(override_meta=root_meta) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.tree: out.write(hexlify(tree)) out.write(b'\n') if opt.commit or name: if compat.py_maj > 2: # Strip b prefix from python 3 bytes reprs to preserve previous format msgcmd = b'[%s]' % b', '.join( [repr(argv_bytes(x))[1:].encode('ascii') for x in argv]) else: msgcmd = repr(argv) msg = b'bup save\n\nGenerated by command:\n%s\n' % msgcmd userline = (b'%s <%s@%s>' % (userfullname(), username(), hostname())) commit = repo.write_commit(tree, oldref, userline, date, None, userline, date, None, msg) if opt.commit: out.write(hexlify(commit)) out.write(b'\n') msr.close() if opt.name: repo.update_ref(refname, commit, oldref) repo.close() if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)
def main(argv): o = options.Options(optspec) opt, flags, remainder = o.parse_bytes([b'--paths', b'--symlinks', b'--recurse'] + argv[1:]) opt.verbose = opt.verbose or 0 opt.quiet = opt.quiet or 0 metadata.verbose = opt.verbose - opt.quiet opt.file = argv_bytes(opt.file) if opt.file else None action_count = sum([bool(x) for x in [opt.create, opt.list, opt.extract, opt.start_extract, opt.finish_extract, opt.edit]]) if action_count > 1: o.fatal("bup: only one action permitted: --create --list --extract --edit") if action_count == 0: o.fatal("bup: no action specified") if opt.create: if len(remainder) < 1: o.fatal("no paths specified for create") output_file = open_output(opt.file) metadata.save_tree(output_file, [argv_bytes(r) for r in remainder], recurse=opt.recurse, write_paths=opt.paths, save_symlinks=opt.symlinks, xdev=opt.xdev) elif opt.list: if len(remainder) > 0: o.fatal("cannot specify paths for --list") src = open_input(opt.file) metadata.display_archive(src, open_output(b'-')) elif opt.start_extract: if len(remainder) > 0: o.fatal("cannot specify paths for --start-extract") src = open_input(opt.file) metadata.start_extract(src, create_symlinks=opt.symlinks) elif opt.finish_extract: if len(remainder) > 0: o.fatal("cannot specify paths for --finish-extract") src = open_input(opt.file) metadata.finish_extract(src, restore_numeric_ids=opt.numeric_ids) elif opt.extract: if len(remainder) > 0: o.fatal("cannot specify paths for --extract") src = open_input(opt.file) metadata.extract(src, restore_numeric_ids=opt.numeric_ids, create_symlinks=opt.symlinks) elif opt.edit: if len(remainder) < 1: o.fatal("no paths specified for edit") output_file = open_output(opt.file) unset_user = False # True if --unset-user was the last relevant option. unset_group = False # True if --unset-group was the last relevant option. for flag in flags: if flag[0] == '--set-user': unset_user = False elif flag[0] == '--unset-user': unset_user = True elif flag[0] == '--set-group': unset_group = False elif flag[0] == '--unset-group': unset_group = True for path in remainder: f = open(argv_bytes(path), 'rb') try: for m in metadata._ArchiveIterator(f): if opt.set_uid is not None: try: m.uid = int(opt.set_uid) except ValueError: o.fatal("uid must be an integer") if opt.set_gid is not None: try: m.gid = int(opt.set_gid) except ValueError: o.fatal("gid must be an integer") if unset_user: m.user = b'' elif opt.set_user is not None: m.user = argv_bytes(opt.set_user) if unset_group: m.group = b'' elif opt.set_group is not None: m.group = argv_bytes(opt.set_group) m.write(output_file) finally: f.close() if saved_errors: log('WARNING: %d errors encountered.\n' % len(saved_errors)) sys.exit(1) else: sys.exit(0)
check carefully check index file integrity clear clear the index Options: H,hash print the hash for each object next to its name l,long print more information about each file no-check-device don't invalidate an entry if the containing device changes fake-valid mark all index entries as up-to-date even if they aren't fake-invalid mark all index entries as invalid f,indexfile= the name of the index file (normally BUP_DIR/bupindex) exclude= a path to exclude from the backup (can be used more than once) exclude-from= a file that contains exclude paths (can be used more than once) exclude-rx= skip paths that match the unanchored regular expression v,verbose increase log output (can be used more than once) x,xdev,one-file-system don't cross filesystem boundaries """ o = options.Options(optspec) (opt, flags, extra) = o.parse(sys.argv[1:]) if not (opt.modified or \ opt['print'] or \ opt.status or \ opt.update or \ opt.check or \ opt.clear): opt.update = 1 if (opt.fake_valid or opt.fake_invalid) and not opt.update: o.fatal('--fake-{in,}valid are meaningless without -u') if opt.fake_valid and opt.fake_invalid: o.fatal('--fake-valid is incompatible with --fake-invalid') # FIXME: remove this once we account for timestamp races, i.e. index;
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.name: opt.name = argv_bytes(opt.name) if opt.remote: opt.remote = argv_bytes(opt.remote) if opt.verbose is None: opt.verbose = 0 if not (opt.blobs or opt.tree or opt.commit or opt.name or opt.noop or opt.copy): o.fatal("use one or more of -b, -t, -c, -n, --noop, --copy") if opt.copy and (opt.blobs or opt.tree): o.fatal('--copy is incompatible with -b, -t') if (opt.noop or opt.copy) and (opt.commit or opt.name): o.fatal('--noop and --copy are incompatible with -c, -n') if opt.blobs and (opt.tree or opt.commit or opt.name): o.fatal('-b is incompatible with -t, -c, -n') if extra and opt.git_ids: o.fatal("don't provide filenames when using --git-ids") if opt.verbose >= 2: git.verbose = opt.verbose - 1 opt.bench = 1 max_pack_size = None if opt.max_pack_size: max_pack_size = parse_num(opt.max_pack_size) max_pack_objects = None if opt.max_pack_objects: max_pack_objects = parse_num(opt.max_pack_objects) if opt.fanout: hashsplit.fanout = parse_num(opt.fanout) if opt.blobs: hashsplit.fanout = 0 if opt.bwlimit: client.bwlimit = parse_num(opt.bwlimit) if opt.date: date = parse_date_or_fatal(opt.date, o.fatal) else: date = time.time() # Hack around lack of nonlocal vars in python 2 total_bytes = [0] def prog(filenum, nbytes): total_bytes[0] += nbytes if filenum > 0: qprogress('Splitting: file #%d, %d kbytes\r' % (filenum + 1, total_bytes[0] // 1024)) else: qprogress('Splitting: %d kbytes\r' % (total_bytes[0] // 1024)) is_reverse = environ.get(b'BUP_SERVER_REVERSE') if is_reverse and opt.remote: o.fatal("don't use -r in reverse mode; it's automatic") start_time = time.time() if opt.name and not valid_save_name(opt.name): o.fatal("'%r' is not a valid branch name." % opt.name) refname = opt.name and b'refs/heads/%s' % opt.name or None if opt.noop or opt.copy: cli = pack_writer = oldref = None elif opt.remote or is_reverse: git.check_repo_or_die() cli = client.Client(opt.remote) oldref = refname and cli.read_ref(refname) or None pack_writer = cli.new_packwriter(compression_level=opt.compress, max_pack_size=max_pack_size, max_pack_objects=max_pack_objects) else: git.check_repo_or_die() cli = None oldref = refname and git.read_ref(refname) or None pack_writer = git.PackWriter(compression_level=opt.compress, max_pack_size=max_pack_size, max_pack_objects=max_pack_objects) input = byte_stream(sys.stdin) if opt.git_ids: # the input is actually a series of git object ids that we should retrieve # and split. # # This is a bit messy, but basically it converts from a series of # CatPipe.get() iterators into a series of file-type objects. # It would be less ugly if either CatPipe.get() returned a file-like object # (not very efficient), or split_to_shalist() expected an iterator instead # of a file. cp = git.CatPipe() class IterToFile: def __init__(self, it): self.it = iter(it) def read(self, size): v = next(self.it, None) return v or b'' def read_ids(): while 1: line = input.readline() if not line: break if line: line = line.strip() try: it = cp.get(line.strip()) next(it, None) # skip the file info except KeyError as e: add_error('error: %s' % e) continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(argv_bytes(fn), 'rb') for fn in extra) or [input] if pack_writer: new_blob = pack_writer.new_blob new_tree = pack_writer.new_tree elif opt.blobs or opt.tree: # --noop mode new_blob = lambda content: git.calc_hash(b'blob', content) new_tree = lambda shalist: git.calc_hash(b'tree', git.tree_encode(shalist)) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.blobs: shalist = hashsplit.split_to_blobs(new_blob, files, keep_boundaries=opt.keep_boundaries, progress=prog) for (sha, size, level) in shalist: out.write(hexlify(sha) + b'\n') reprogress() elif opt.tree or opt.commit or opt.name: if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) splitfile_name = git.mangle_name(b'data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) tree = new_tree(shalist) else: last = 0 it = hashsplit.hashsplit_iter(files, keep_boundaries=opt.keep_boundaries, progress=prog) for (blob, level) in it: hashsplit.total_split += len(blob) if opt.copy: sys.stdout.write(str(blob)) megs = hashsplit.total_split // 1024 // 1024 if not opt.quiet and last != megs: last = megs if opt.verbose: log('\n') if opt.tree: out.write(hexlify(tree) + b'\n') if opt.commit or opt.name: msg = b'bup split\n\nGenerated by command:\n%r\n' % compat.get_argvb() ref = opt.name and (b'refs/heads/%s' % opt.name) or None userline = b'%s <%s@%s>' % (userfullname(), username(), hostname()) commit = pack_writer.new_commit(tree, oldref, userline, date, None, userline, date, None, msg) if opt.commit: out.write(hexlify(commit) + b'\n') if pack_writer: pack_writer.close() # must close before we can update the ref if opt.name: if cli: cli.update_ref(refname, commit, oldref) else: git.update_ref(refname, commit, oldref) if cli: cli.close() secs = time.time() - start_time size = hashsplit.total_split if opt.bench: log('bup: %.2f kbytes in %.2f secs = %.2f kbytes/sec\n' % (size / 1024, secs, size / 1024 / secs)) if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)